Docker Compose copies one folder but not another

Question

I am still learning Docker and this situation has me stumped. Docker will copy one folder to the image/container but the other folder it skips and I can't figure out why.

Docker desktop 4.X Ubuntu (Linux) container
.NET 5.0 Blazor application

So in the application build the following two folders are output:

In the container though only one folder is there

My first thought would be caching but I am using docker-compose build --no-cache and docker-compose up -d --force-recreate.

I don't think the Dockerfile is the problem, or else I would not see any folders.

Update

Added Dockerfile:

FROM mcr.microsoft.com/dotnet/aspnet:5.0-buster-slim AS base
WORKDIR /app
EXPOSE 465

FROM mcr.microsoft.com/dotnet/sdk:5.0-buster-slim AS build
WORKDIR /src

COPY ["./Email.Shared/Email.Shared.csproj", "./Email.Shared/"]
COPY ["./Email.API/Email.API.csproj", "./"]
RUN dotnet restore "Email.API.csproj"

COPY . .
WORKDIR "/src/Email.API"
RUN dotnet build "Email.API.csproj" -c Release -o /app/build

FROM build AS publish
RUN dotnet publish "Email.API.csproj" -c Release -o /app/publish

FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "Email.API.dll", "--urls", "http://+:5150"]